/* * Copyright (C) 2006 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.server.am; import com.android.internal.os.BatteryStatsImpl; import com.android.server.NotificationManagerService; import android.app.INotificationManager; import android.app.Notification; import android.app.NotificationManager; import android.content.ComponentName; import android.content.Intent; import android.content.pm.ApplicationInfo; import android.content.pm.ServiceInfo; import android.os.Binder; import android.os.IBinder; import android.os.RemoteException; import android.os.SystemClock; import android.util.Slog; import android.util.TimeUtils; import java.io.PrintWriter; import java.util.ArrayList; import java.util.HashMap; import java.util.HashSet; import java.util.Iterator; import java.util.List; /** * A running application service. */ class ServiceRecord extends Binder { // Maximum number of delivery attempts before giving up. static final int MAX_DELIVERY_COUNT = 3; // Maximum number of times it can fail during execution before giving up. static final int MAX_DONE_EXECUTING_COUNT = 6; final ActivityManagerService ams; final BatteryStatsImpl.Uid.Pkg.Serv stats; final ComponentName name; // service component. final String shortName; // name.flattenToShortString(). final Intent.FilterComparison intent; // original intent used to find service. final ServiceInfo serviceInfo; // all information about the service. final ApplicationInfo appInfo; // information about service's app. final String packageName; // the package implementing intent's component final String processName; // process where this component wants to run final String permission;// permission needed to access service final String baseDir; // where activity source (resources etc) located final String resDir; // where public activity source (public resources etc) located final String dataDir; // where activity data should go final boolean exported; // from ServiceInfo.exported final Runnable restarter; // used to schedule retries of starting the service final long createTime; // when this service was created final HashMap<Intent.FilterComparison, IntentBindRecord> bindings = new HashMap<Intent.FilterComparison, IntentBindRecord>(); // All active bindings to the service. final HashMap<IBinder, ArrayList<ConnectionRecord>> connections = new HashMap<IBinder, ArrayList<ConnectionRecord>>(); // IBinder -> ConnectionRecord of all bound clients ProcessRecord app; // where this service is running or null. boolean isForeground; // is service currently in foreground mode? int foregroundId; // Notification ID of last foreground req. Notification foregroundNoti; // Notification record of foreground state. long lastActivity; // last time there was some activity on the service. boolean startRequested; // someone explicitly called start? boolean stopIfKilled; // last onStart() said to stop if service killed? boolean callStart; // last onStart() has asked to alway be called on restart. int executeNesting; // number of outstanding operations keeping foreground. long executingStart; // start time of last execute request. int crashCount; // number of times proc has crashed with service running int totalRestartCount; // number of times we have had to restart. int restartCount; // number of restarts performed in a row. long restartDelay; // delay until next restart attempt. long restartTime; // time of last restart. long nextRestartTime; // time when restartDelay will expire. String stringName; // caching of toString private int lastStartId; // identifier of most recent start request. static class StartItem { final ServiceRecord sr; final boolean taskRemoved; final int id; final Intent intent; final int targetPermissionUid; long deliveredTime; int deliveryCount; int doneExecutingCount; UriPermissionOwner uriPermissions; String stringName; // caching of toString StartItem(ServiceRecord _sr, boolean _taskRemoved, int _id, Intent _intent, int _targetPermissionUid) { sr = _sr; taskRemoved = _taskRemoved; id = _id; intent = _intent; targetPermissionUid = _targetPermissionUid; } UriPermissionOwner getUriPermissionsLocked() { if (uriPermissions == null) { uriPermissions = new UriPermissionOwner(sr.ams, this); } return uriPermissions; } void removeUriPermissionsLocked() { if (uriPermissions != null) { uriPermissions.removeUriPermissionsLocked(); uriPermissions = null; } } public String toString() { if (stringName != null) { return stringName; } StringBuilder sb = new StringBuilder(128); sb.append("ServiceRecord{") .append(Integer.toHexString(System.identityHashCode(sr))) .append(' ').append(sr.shortName) .append(" StartItem ") .append(Integer.toHexString(System.identityHashCode(this))) .append(" id=").append(id).append('}'); return stringName = sb.toString(); } } final ArrayList<StartItem> deliveredStarts = new ArrayList<StartItem>(); // start() arguments which been delivered. final ArrayList<StartItem> pendingStarts = new ArrayList<StartItem>(); // start() arguments that haven't yet been delivered. void dumpStartList(PrintWriter pw, String prefix, List<StartItem> list, long now) { final int N = list.size(); for (int i=0; i<N; i++) { StartItem si = list.get(i); pw.print(prefix); pw.print("#"); pw.print(i); pw.print(" id="); pw.print(si.id); if (now != 0) { pw.print(" dur="); TimeUtils.formatDuration(si.deliveredTime, now, pw); } if (si.deliveryCount != 0) { pw.print(" dc="); pw.print(si.deliveryCount); } if (si.doneExecutingCount != 0) { pw.print(" dxc="); pw.print(si.doneExecutingCount); } pw.println(""); pw.print(prefix); pw.print(" intent="); if (si.intent != null) pw.println(si.intent.toString()); else pw.println("null"); if (si.targetPermissionUid >= 0) { pw.print(prefix); pw.print(" targetPermissionUid="); pw.println(si.targetPermissionUid); } if (si.uriPermissions != null) { if (si.uriPermissions.readUriPermissions != null) { pw.print(prefix); pw.print(" readUriPermissions="); pw.println(si.uriPermissions.readUriPermissions); } if (si.uriPermissions.writeUriPermissions != null) { pw.print(prefix); pw.print(" writeUriPermissions="); pw.println(si.uriPermissions.writeUriPermissions); } } } } void dump(PrintWriter pw, String prefix) { pw.print(prefix); pw.print("intent={"); pw.print(intent.getIntent().toShortString(false, true, false)); pw.println('}'); pw.print(prefix); pw.print("packageName="); pw.println(packageName); pw.print(prefix); pw.print("processName="); pw.println(processName); if (permission != null) { pw.print(prefix); pw.print("permission="); pw.println(permission); } long now = SystemClock.uptimeMillis(); long nowReal = SystemClock.elapsedRealtime(); pw.print(prefix); pw.print("baseDir="); pw.println(baseDir); if (!resDir.equals(baseDir)) { pw.print(prefix); pw.print("resDir="); pw.println(resDir); } pw.print(prefix); pw.print("dataDir="); pw.println(dataDir); pw.print(prefix); pw.print("app="); pw.println(app); if (isForeground || foregroundId != 0) { pw.print(prefix); pw.print("isForeground="); pw.print(isForeground); pw.print(" foregroundId="); pw.print(foregroundId); pw.print(" foregroundNoti="); pw.println(foregroundNoti); } pw.print(prefix); pw.print("createTime="); TimeUtils.formatDuration(createTime, nowReal, pw); pw.print(" lastActivity="); TimeUtils.formatDuration(lastActivity, now, pw); pw.println(""); pw.print(prefix); pw.print("executingStart="); TimeUtils.formatDuration(executingStart, now, pw); pw.print(" restartTime="); TimeUtils.formatDuration(restartTime, now, pw); pw.println(""); if (startRequested || lastStartId != 0) { pw.print(prefix); pw.print("startRequested="); pw.print(startRequested); pw.print(" stopIfKilled="); pw.print(stopIfKilled); pw.print(" callStart="); pw.print(callStart); pw.print(" lastStartId="); pw.println(lastStartId); } if (executeNesting != 0 || crashCount != 0 || restartCount != 0 || restartDelay != 0 || nextRestartTime != 0) { pw.print(prefix); pw.print("executeNesting="); pw.print(executeNesting); pw.print(" restartCount="); pw.print(restartCount); pw.print(" restartDelay="); TimeUtils.formatDuration(restartDelay, now, pw); pw.print(" nextRestartTime="); TimeUtils.formatDuration(nextRestartTime, now, pw); pw.print(" crashCount="); pw.println(crashCount); } if (deliveredStarts.size() > 0) { pw.print(prefix); pw.println("Delivered Starts:"); dumpStartList(pw, prefix, deliveredStarts, now); } if (pendingStarts.size() > 0) { pw.print(prefix); pw.println("Pending Starts:"); dumpStartList(pw, prefix, pendingStarts, 0); } if (bindings.size() > 0) { Iterator<IntentBindRecord> it = bindings.values().iterator(); pw.print(prefix); pw.println("Bindings:"); while (it.hasNext()) { IntentBindRecord b = it.next(); pw.print(prefix); pw.print("* IntentBindRecord{"); pw.print(Integer.toHexString(System.identityHashCode(b))); pw.println("}:"); b.dumpInService(pw, prefix + " "); } } if (connections.size() > 0) { pw.print(prefix); pw.println("All Connections:"); Iterator<ArrayList<ConnectionRecord>> it = connections.values().iterator(); while (it.hasNext()) { ArrayList<ConnectionRecord> c = it.next(); for (int i=0; i<c.size(); i++) { pw.print(prefix); pw.print(" "); pw.println(c.get(i)); } } } } ServiceRecord(ActivityManagerService ams, BatteryStatsImpl.Uid.Pkg.Serv servStats, ComponentName name, Intent.FilterComparison intent, ServiceInfo sInfo, Runnable restarter) { this.ams = ams; this.stats = servStats; this.name = name; shortName = name.flattenToShortString(); this.intent = intent; serviceInfo = sInfo; appInfo = sInfo.applicationInfo; packageName = sInfo.applicationInfo.packageName; processName = sInfo.processName; permission = sInfo.permission; baseDir = sInfo.applicationInfo.sourceDir; resDir = sInfo.applicationInfo.publicSourceDir; dataDir = sInfo.applicationInfo.dataDir; exported = sInfo.exported; this.restarter = restarter; createTime = SystemClock.elapsedRealtime(); lastActivity = SystemClock.uptimeMillis(); } public AppBindRecord retrieveAppBindingLocked(Intent intent, ProcessRecord app) { Intent.FilterComparison filter = new Intent.FilterComparison(intent); IntentBindRecord i = bindings.get(filter); if (i == null) { i = new IntentBindRecord(this, filter); bindings.put(filter, i); } AppBindRecord a = i.apps.get(app); if (a != null) { return a; } a = new AppBindRecord(this, i, app); i.apps.put(app, a); return a; } public void resetRestartCounter() { restartCount = 0; restartDelay = 0; restartTime = 0; } public StartItem findDeliveredStart(int id, boolean remove) { final int N = deliveredStarts.size(); for (int i=0; i<N; i++) { StartItem si = deliveredStarts.get(i); if (si.id == id) { if (remove) deliveredStarts.remove(i); return si; } } return null; } public int getLastStartId() { return lastStartId; } public int makeNextStartId() { lastStartId++; if (lastStartId < 1) { lastStartId = 1; } return lastStartId; } public void postNotification() { final int appUid = appInfo.uid; final int appPid = app.pid; if (foregroundId != 0 && foregroundNoti != null) { // Do asynchronous communication with notification manager to // avoid deadlocks. final String localPackageName = packageName; final int localForegroundId = foregroundId; final Notification localForegroundNoti = foregroundNoti; ams.mHandler.post(new Runnable() { public void run() { NotificationManagerService nm = (NotificationManagerService) NotificationManager.getService(); if (nm == null) { return; } try { int[] outId = new int[1]; nm.enqueueNotificationInternal(localPackageName, appUid, appPid, null, localForegroundId, localForegroundNoti, outId); } catch (RuntimeException e) { Slog.w(ActivityManagerService.TAG, "Error showing notification for service", e); // If it gave us a garbage notification, it doesn't // get to be foreground. ams.setServiceForeground(name, ServiceRecord.this, 0, null, true); ams.crashApplication(appUid, appPid, localPackageName, "Bad notification for startForeground: " + e); } } }); } } public void cancelNotification() { if (foregroundId != 0) { // Do asynchronous communication with notification manager to // avoid deadlocks. final String localPackageName = packageName; final int localForegroundId = foregroundId; ams.mHandler.post(new Runnable() { public void run() { INotificationManager inm = NotificationManager.getService(); if (inm == null) { return; } try { inm.cancelNotification(localPackageName, localForegroundId); } catch (RuntimeException e) { Slog.w(ActivityManagerService.TAG, "Error canceling notification for service", e); } catch (RemoteException e) { } } }); } } public void clearDeliveredStartsLocked() { for (int i=deliveredStarts.size()-1; i>=0; i--) { deliveredStarts.get(i).removeUriPermissionsLocked(); } deliveredStarts.clear(); } public String toString() { if (stringName != null) { return stringName; } StringBuilder sb = new StringBuilder(128); sb.append("ServiceRecord{") .append(Integer.toHexString(System.identityHashCode(this))) .append(' ').append(shortName).append('}'); return stringName = sb.toString(); } }